agenttesla | 4da9cdaabab199c810cad207fe4dd792068eb0993f3a26a73c0a9bfb19f9831c

General

Target

a91eb16dec4963d0b7198e9bb1b3d379.exe
Size

520KB
MD5

a91eb16dec4963d0b7198e9bb1b3d379
SHA1

c037fe12d74cdb7bc82b338a3babd35aa11c1b57
SHA256

4da9cdaabab199c810cad207fe4dd792068eb0993f3a26a73c0a9bfb19f9831c
SHA512

09a9a53ba5b2a7ee1d1074353c1e64ff50b8dab1aa3e8fbf4baf0326e0a0e2a2306c2ce9d4546693ae58a2a5278df94d0d877bf04fc024b6091af5483447d881

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.scahe.co.in
Port:
587
Username:
sj@scahe.co.in
Password:
scaheavy@12345

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3996-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3996-125-0x000000000043773E-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

a91eb16dec4963d0b7198e9bb1b3d379.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts a91eb16dec4963d0b7198e9bb1b3d379.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	a91eb16dec4963d0b7198e9bb1b3d379.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

a91eb16dec4963d0b7198e9bb1b3d379.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a91eb16dec4963d0b7198e9bb1b3d379.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a91eb16dec4963d0b7198e9bb1b3d379.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a91eb16dec4963d0b7198e9bb1b3d379.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a91eb16dec4963d0b7198e9bb1b3d379.exe

description pid process target process

PID 2044 set thread context of 3996 2044 a91eb16dec4963d0b7198e9bb1b3d379.exe a91eb16dec4963d0b7198e9bb1b3d379.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a91eb16dec4963d0b7198e9bb1b3d379.exe

pid process

3996 a91eb16dec4963d0b7198e9bb1b3d379.exe
3996 a91eb16dec4963d0b7198e9bb1b3d379.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a91eb16dec4963d0b7198e9bb1b3d379.exe

description pid process

Token: SeDebugPrivilege 3996 a91eb16dec4963d0b7198e9bb1b3d379.exe

description	pid	process	target process
PID 2044 set thread context of 3996	2044	a91eb16dec4963d0b7198e9bb1b3d379.exe	a91eb16dec4963d0b7198e9bb1b3d379.exe

pid	process
3996	a91eb16dec4963d0b7198e9bb1b3d379.exe
3996	a91eb16dec4963d0b7198e9bb1b3d379.exe

description	pid	process
Token: SeDebugPrivilege	3996	a91eb16dec4963d0b7198e9bb1b3d379.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

a91eb16dec4963d0b7198e9bb1b3d379.exe

description	pid	process	target process
PID 2044 wrote to memory of 3996	2044	a91eb16dec4963d0b7198e9bb1b3d379.exe	a91eb16dec4963d0b7198e9bb1b3d379.exe
PID 2044 wrote to memory of 3996	2044	a91eb16dec4963d0b7198e9bb1b3d379.exe	a91eb16dec4963d0b7198e9bb1b3d379.exe
PID 2044 wrote to memory of 3996	2044	a91eb16dec4963d0b7198e9bb1b3d379.exe	a91eb16dec4963d0b7198e9bb1b3d379.exe
PID 2044 wrote to memory of 3996	2044	a91eb16dec4963d0b7198e9bb1b3d379.exe	a91eb16dec4963d0b7198e9bb1b3d379.exe
PID 2044 wrote to memory of 3996	2044	a91eb16dec4963d0b7198e9bb1b3d379.exe	a91eb16dec4963d0b7198e9bb1b3d379.exe
PID 2044 wrote to memory of 3996	2044	a91eb16dec4963d0b7198e9bb1b3d379.exe	a91eb16dec4963d0b7198e9bb1b3d379.exe
PID 2044 wrote to memory of 3996	2044	a91eb16dec4963d0b7198e9bb1b3d379.exe	a91eb16dec4963d0b7198e9bb1b3d379.exe
PID 2044 wrote to memory of 3996	2044	a91eb16dec4963d0b7198e9bb1b3d379.exe	a91eb16dec4963d0b7198e9bb1b3d379.exe

outlook_office_path 1 IoCs

Processes:

a91eb16dec4963d0b7198e9bb1b3d379.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a91eb16dec4963d0b7198e9bb1b3d379.exe

outlook_win_path 1 IoCs

Processes:

a91eb16dec4963d0b7198e9bb1b3d379.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a91eb16dec4963d0b7198e9bb1b3d379.exe

C:\Users\Admin\AppData\Local\Temp\a91eb16dec4963d0b7198e9bb1b3d379.exe
"C:\Users\Admin\AppData\Local\Temp\a91eb16dec4963d0b7198e9bb1b3d379.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2044

C:\Users\Admin\AppData\Local\Temp\a91eb16dec4963d0b7198e9bb1b3d379.exe
"C:\Users\Admin\AppData\Local\Temp\a91eb16dec4963d0b7198e9bb1b3d379.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3996

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a91eb16dec4963d0b7198e9bb1b3d379.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
memory/2044-122-0x0000000005690000-0x0000000005691000-memory.dmp

Filesize
4KB

Download
memory/2044-118-0x00000000049B0000-0x00000000049B1000-memory.dmp

Filesize
4KB

Download
memory/2044-119-0x00000000048F0000-0x00000000048F1000-memory.dmp

Filesize
4KB

Download
memory/2044-120-0x00000000048B0000-0x0000000004942000-memory.dmp

Filesize
584KB

Download
memory/2044-121-0x0000000004920000-0x0000000004927000-memory.dmp

Filesize
28KB

Download
memory/2044-115-0x0000000000040000-0x0000000000041000-memory.dmp

Filesize
4KB

Download
memory/2044-123-0x0000000005730000-0x0000000005788000-memory.dmp

Filesize
352KB

Download
memory/2044-117-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

Filesize
4KB

Download
memory/3996-124-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3996-125-0x000000000043773E-mapping.dmp

Download
memory/3996-131-0x0000000005800000-0x0000000005801000-memory.dmp

Filesize
4KB

Download
memory/3996-132-0x00000000058D0000-0x00000000058D1000-memory.dmp

Filesize
4KB

Download
memory/3996-133-0x0000000006440000-0x0000000006441000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads